Fuse casing



AS- 19; 19.30. J. H. HlcKEY 1,773,1-(82 FUSE CAS ING Filed March 19, 1928 um umm l /3ZCV/'///////////V/////////////////////////// "l A .Jol-m H. MICKEY.

mit the escapeo` i i i y "Wardly from the ends of the casing and hav?-` ing a plurality nofrrjconnecting passages C termed in staggered relation" between each y Vchannel and the adjacent channels;y"and` a i pluralitynofl1 spaced outlet openings `comnfiunieating between `theinnenmost` channel of each i l. passage] Ythe-inteiiorl` ofthe `easing to pen-3 mitthe escapei'of gas from the casingwlien fuse is blown".`

` 19 A fuse casing* comprisingapaie` of telef?.

` f scoping tubular sectons;*a`tortuoi`1s Vent pasf "sage `formed by a grooveiforinedupon one* of the tubular sections and coyeredby theotlien' i i section anda plurality `o'fspaeed` outlet pas-f i pail-lof `ventpassages arranged ad lng Whena fuse is blown. i pi `In Witnesswhereof, Ivhereunto set my"V n JoHNn. HICKEY.

i 14.111 an electric` fuse, a casinghavinga` endslof` the casing, saidxipassages comprising a main Vent passageand a plurality of pasj fsage 'Channels spaced longitudinally along escape ofgases froin the casing when aV fusef` acent `the l l thecasing toward the ends, and connecting i y passages'arranged in staggered `felation andi connecting each `channel with the adjacent,"

passages andoutlets communicating between' themain channels and the interior` of thefcas "ing to permittlie escape of` p p gas from fthejcassignature. t

sages opening into the vent passage romthe" i `gasfioin thecasingwhen a fuse isfblown. `l().`A fuse casingcomprisingapaln of telescopingtubular'sections; a tortuous vent passage formed byajgifoovefformed uponone 3 `of `the tubular Ase`ct1onsadjacent'each end interior ofthe casingtopermit the escape of jthereof and covered bytlieopposit'e section; and 'a pluiality `oifoutlet passages "communiofthe casingto catingbetween each passage and the interior y p p a 4 ofithecasingatfpointsspaeed from the endet` permit the escape oi gas lfrom t theeasing Whenai fuseis blownij i 11. A fuse "casingfeomprising 'a pair of p `telescopingtubularsections;atoncuous vent p t n passage formedbetweenthe tubulanlsections l l" .adjacent each end thereof;saidlpassagesconl sisting of a pluralitygof longitudinally spaced l "channels and agpliujalityl `of connecting pas-l` i `sages formed between; each channel and"`tlie` adjacent channels; and aplui'alityol` outlet Y passages communicating between each vent passage and the interiorofthe casing to perf` l p p mit the .escape of gas `when a fuse 1s blown.` V

` nallyfspacedfronitlieniainchannelftoward i the adjacent endfof thecasingpaplurality of j p eonnecting` passages between {leach channe'lm,"`

l -eo andthe adjacentcha'nnelsgfsaid'connecting the casing. i

` 12in an electricfuseyacasinghaving a p yent passagecolnprising'a mainyentV channel,

a tortnous passagefand a plurality of-eoni necting channels connectingthe tortuous passage .with saidm'ain VentchanneL anda plu n rality` of inletpassages communicating be-t tweenthe main yent channel andthe interior" of the easing-topeninit the escape` ofig'as from p 'sl 13. Inan a plurality l of passage channels,` longitudi-f electricfuse,` a fcasinghaying a Vent passage comprising a mainvent channel t Passagesbeng arranged inlaggeredz-relay* `tonyalda plurality of outlet passages come` Y fc5 i `nnunicating between the p main `,vent channel kand the interior` of the casingto permitthel 1105V y i i v115- i 

